diff --git a/t/t9700/test.pl b/t/t9700/test.pl
index 1140767b50..a01665473d 100755
--- a/t/t9700/test.pl
+++ b/t/t9700/test.pl
@@ -33,7 +33,9 @@ is($r->config_int("test.int"), 2048, "config_int: integer");
 is($r->config_int("test.nonexistent"), undef, "config_int: nonexistent");
 ok($r->config_bool("test.booltrue"), "config_bool: true");
 ok(!$r->config_bool("test.boolfalse"), "config_bool: false");
-is($r->config_path("test.path"), $r->config("test.pathexpanded"),
+our $test_path = $r->config_path("test.path");
+$test_path =~ s/\\/\//g if ($^O eq 'msys');
+is($test_path, $r->config("test.pathexpanded"),
    "config_path: ~/foo expansion");
 is_deeply([$r->config_path("test.pathmulti")], ["foo", "bar"],
    "config_path: multiple values");